GP1871F & GP1971F

Chartplotter-Sounder Ref : GP-1X71F



Multi-touch interface

Convenient and intuitive slide-out menus: The GP-1871F/1971F smart interface, inherited from the NavNet TZtouch2,
features slide-out menus containing all the tools and data you need to be in total control
Display modes customization: Customize your display modes and create the perfect combination to fit your individual needs.
Easy screenshot: Tap the display with 2 fingers to capture a screenshot that will be saved directly to your micro SD card.

Chart plotter (with internal gps antenna)

By using the incredibly rich C-MAP 4D charts, the GP-1871F/1971F delivers highly precise data that features plenty of useful information, such as shaded reliefs, 3D and Satellite views relief vectors, tidal streams and marine plans, considerably enhancing your navigational awareness.
Via the CAN bus network interface, The NAVpilot-300 and NAVpilot-711C
can be connected to the GP-1871F and GP-1971F and controlled directly from the Chart Plotter.
C-Weather data can be downloaded from providing Wind, Wave, Weather, Humidity and Temperature information.
When connected to an AIS receiver, the GP-1871F/1971F will display the latest AIS data and provide vessel information.

Built-in chirp fish finder

The high level of detail available with TruEcho CHIRP technology helps to distinguish fish schools, even when close to the sea bed.
Fish can be observed with a very high resolution and are displayed in a distinct boomerang shape.

Built-in rezboost fish finder

With FURUNO’s RezBoost data processing technology, fish schools and echos are shown with high resolution while you can assess fish size and bottom composition thanks to ACCU-FISHTM and Bottom Discrimination functions.

Wireless radar connection

The GP1871F and GP1971F are connectable to the Wireless Radar DRS4W (Output Power 4 kW) giving your Chart Plotter a major upgrade in accuracy and safety.


Receive Type: GPS 72 channels / WAAS 1 channel
Receiving Frequency L1(1575.42 MHz)
Time to First FIX 100 s approx. (cold start)
Tracking Velocity 999 kn
SBAS(Satellite-based Augmentation System) WAAS, EGNOS, MSAS
Electronic Chart C-MAP 4D
Internal Antenna : GPS:10 m Max, WAAS: 5m Max,
MSAS: 7.5 m Max
Type GP-1871F: 7" Wide Color TFT LCD
Screen Size GP-1871F: 154 x 85 mm
Screen Resolution WVGA 800 x 480 pixels
Screen Brightness 1000 cd/m2 (typical)
Display Modes: Chart Plotter, Fish Finder, Radar*1, AIS*2, Instruments*3 (Nav Data, Engine, Wind, Fuel tank, Autopilot*4, etc.), GPS status
*1: Connection to the 1st Watch Wireless Radar DRS4W required
*2: Connection to AIS sensor required
*3: Connection to external sensors required
*4: Connection to the FURUNO NAVpilot-300 or 700 series required
Memory Capacity: 30,000 points for ship's track and waypoints 1,000 planned routes (Max. 50 points per route) 5,000 quickpoints
Frequency CW: 50/200 kHz, CHIRP: 40 to 225 kHz
Transducer 300 W or 600 W or 1 kW (Transducer dependent)
Range 5-1,200 m, shift: 0-500 m
Modes: TrueEcho CHIRP*, RezBoostTM**, ACCU-FISH**, Bottom Discrimination**, Auto gain (Fishing/Cruising), Manual gain, A-Scope, Marker Zoom, Bottom Zoom, Bottom Lock
* CHIRP dedicated transducer required.
** Dual frequency compatible transducer required.
Picture Advance: 8 steps: x4, x2, 1/1, 1/2, 1/4, 1/8, 1/16, stop

In the box

1 X Plotter
1 X Power cable
1 X Fastener Kit
1 X Stirrup
1 X Wheels
1 X Protective cover
1 X User Manual
1 X Cutting template for embedding


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